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	<div id="winchm_template_title">IG_POINTER_SEARCH_PHYSICAL</div>
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	<div id="winchm_template_content"><div id="mainSection"><p>The IG_POINTER_SEARCH_PHYSICAL <a href="#Bookmark1075"><b>Ioctl</b></a> operation searches the target's physical memory for pointers lying within a specified range.  When calling <b>Ioctl</b> with <i>IoctlType</i> set to IG_POINTER_SEARCH_PHYSICAL, <i>IpvData</i> should contain an instance of the POINTER_SEARCH_PHYSICAL structure.</p>
<pre class="syntax" xml:space="preserve"><code>typedef struct _POINTER_SEARCH_PHYSICAL {
    IN ULONG64  Offset;
    IN ULONG64  Length;
    IN ULONG64  PointerMin;
    IN ULONG64  PointerMax;
    IN ULONG  Flags;
    OUT PULONG64  MatchOffsets;
    IN ULONG  MatchOffsetsSize;
    OUT ULONG  MatchOffsetsCount;
} POINTER_SEARCH_PHYSICAL, *PPOINTER_SEARCH_PHYSICAL;</code></pre>
<h2><a id="Members"></a><a id="members"></a><a id="MEMBERS"></a>Members</h2>
<p></p>
<dl>
<dt><a id="Offset"></a><a id="offset"></a><a id="OFFSET"></a><b>Offset</b></dt>
<dd>
<p>Specifies the address in the target's physical memory to start searching from.</p>
</dd>
<dt><a id="Length"></a><a id="length"></a><a id="LENGTH"></a><b>Length</b></dt>
<dd>
<p>Specifies the amount of the target's physical memory to search.</p>
</dd>
<dt><a id="PointerMin"></a><a id="pointermin"></a><a id="POINTERMIN"></a><b>PointerMin</b></dt>
<dd>
<p>Specifies the lower limit of the range of pointers to search for.</p>
</dd>
<dt><a id="PointerMax"></a><a id="pointermax"></a><a id="POINTERMAX"></a><b>PointerMax</b></dt>
<dd>
<p>Specifies the upper limit of the range of pointers to search for.</p>
</dd>
<dt><a id="Flags"></a><a id="flags"></a><a id="FLAGS"></a><b>Flags</b></dt>
<dd>
<p>Specifies bit flags that alter the behavior of this <b>Ioctl</b> operation.  The following flags can be included.</p>
<table>
<tr>
<th>Flag</th>
<th>Behavior when set</th>
</tr>
<tr>
<td>
<p>PTR_SEARCH_PHYS_ALL_HITS</p>
</td>
<td>
<p>Return all pointers in the specified range.  If this flag is not set, only one pointer per page is returned.</p>
</td>
</tr>
<tr>
<td>
<p>PTR_SEARCH_PHYS_PTE</p>
</td>
<td>
<p>The memory is searched for a page table entry (PTE) that matches the Page Frame Number specified in <b>PointerMin</b>.</p>
</td>
</tr>
<tr>
<td>
<p>PTR_SEARCH_PHYS_RANGE_CHECK_ONLY</p>
</td>
<td>
<p></p>
</td>
</tr>
<tr>
<td>
<p>PTR_SEARCH_NO_SYMBOL_CHECK</p>
</td>
<td>
<p>Do not check that the symbols used for the kernel are correct.</p>
</td>
</tr>
</table>
<p> </p>
</dd>
<dt><a id="MatchOffsets"></a><a id="matchoffsets"></a><a id="MATCHOFFSETS"></a><b>MatchOffsets</b></dt>
<dd>
<p>Receives the addresses of all the pointers that match the search criteria.  <b>MatchOffsets</b> is an array that contains <b>MatchOffsetsSize</b> elements.</p>
</dd>
<dt><a id="MatchOffsetsSize"></a><a id="matchoffsetssize"></a><a id="MATCHOFFSETSSIZE"></a><b>MatchOffsetsSize</b></dt>
<dd>
<p>Specifies the number of entries in the array <b>MatchOffsets</b>.</p>
</dd>
<dt><a id="MatchOffsetsCount"></a><a id="matchoffsetscount"></a><a id="MATCHOFFSETSCOUNT"></a><b>MatchOffsetsCount</b></dt>
<dd>
<p>Receives the number of pointers found that match the search criteria.</p>
</dd>
</dl>
<h2><a id="Return_Value"></a><a id="return_value"></a><a id="RETURN_VALUE"></a>Return Value</h2>
<p>If this <b>Ioctl</b> operation was successful, the return value is <b>TRUE</b>; otherwise, it is <b>FALSE</b>.</p>
<h2>Remarks</h2>
<p>The parameters for the IG_POINTER_SEARCH_PHYSICAL <a href="#Bookmark1075"><b>Ioctl</b></a> operation are the members of the POINTER_SEARCH_PHYSICAL structure.</p>
<h2>Requirements</h2>
<table>
<tr>
<th width="30%">
<p>Header</p>
</th>
<td width="70%">
<dl>
<dt>Wdbgexts.h (include Wdbgexts.h or Dbgeng.h)</dt>
</dl>
</td>
</tr>
</table>
<h2><a id="see_also"></a>See also</h2>
<dl>
<dt><a href="#Bookmark1075"><b>Ioctl</b></a></dt></dl></div></div>	
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